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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-11 00:32:53 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-11 00:32:53 +0000 |
commit | 24af177eb1a3e7036f8a3ee5342970ddeb151124 (patch) | |
tree | cb21dffb332218477b6ad468053c61df6b9d8830 /nuttx/drivers/README.txt | |
parent | d52c77f6349fdb61f27818e2f85a217509f949ce (diff) | |
download | px4-nuttx-24af177eb1a3e7036f8a3ee5342970ddeb151124.tar.gz px4-nuttx-24af177eb1a3e7036f8a3ee5342970ddeb151124.tar.bz2 px4-nuttx-24af177eb1a3e7036f8a3ee5342970ddeb151124.zip |
Add a RAM-based logging device
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4379 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/README.txt')
-rw-r--r-- | nuttx/drivers/README.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/nuttx/drivers/README.txt b/nuttx/drivers/README.txt index e5a1483b2..0cddb9311 100644 --- a/nuttx/drivers/README.txt +++ b/nuttx/drivers/README.txt @@ -31,6 +31,19 @@ ramdisk.c a block driver that can be mounted as a files system. See include/nuttx/ramdisk.h. +ramlog.c + This is a driver that was intended to support debugging output, + aka syslogging, when the normal serial output is not available. + For example, if you are using a telnet or USB serial console, + the debug output will get lost. + + This driver is similar to a pipe in that it saves the debugging + output in a FIFO in RAM. It differs from a pipe in numerous + details as needed to support logging. + + This driver is built when CONFIG_RAMLOG is defined in the Nuttx + configuration. + rwbuffer.c A facility that can be use by any block driver in-order to add writing buffering and read-ahead buffering. |